Alright, let's work through 80860809 times 43271386 step by step
80860809 × 43271386 = 43271386 × (80860809)
+ 43271386 × 9 what gives us 389442474
+ 43271386 × 00 that is equal 0
+ 43271386 × 800 which equals 34617108800
+ 43271386 × 0000 which equals 0
+ 43271386 × 60000 that results in 2596283160000
+ 43271386 × 800000 that results in 34617108800000
+ 43271386 × 0000000 giving us 0
+ 43271386 × 80000000 that is equal 3461710880000000

= 3498959278511274
